Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 4 15.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2019   03:41:49   ( -79.36,-159.60) 04/18/2019   03:41:15  ( -79.35,-159.74)    3.04                34
 04/18/2019   04:31:07   (  79.66,  10.13) 04/18/2019   04:31:50  (  79.66,  10.11)    0.48                43
 04/20/2019   19:58:08   ( -79.50, -42.78) 04/20/2019   19:58:07  ( -79.49, -42.87)    2.01                 1
 04/20/2019   20:45:45   (  81.85, 164.28) 04/20/2019   20:46:58  (  81.28, 164.31)   62.55                73
 04/23/2019   11:25:07   (  79.40, -95.21) 04/23/2019   11:24:21  (  79.40, -95.14)    1.68                46
 04/23/2019   12:14:29   ( -79.59,  73.77) 04/23/2019   12:15:01  ( -79.59,  73.74)    0.56                32
 04/26/2019   03:41:29   (  79.45,  21.02) 04/26/2019   03:41:17  (  79.44,  20.90)    2.87                12
 04/26/2019   04:30:49   ( -79.72,-169.43) 04/26/2019   04:31:54  ( -79.72,-169.37)    1.43                65
 04/28/2019   19:08:31   ( -79.27, -31.86) 04/28/2019   19:07:35  ( -79.26, -32.00)    3.09                56